Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
MIRO R1E Black, size 7 HealthWear Smart Ring, Black, Size 7
Features
- Tracks fitness, sleep, stress and heart rate
- ECG smart ring
- Compatible with iOS and Android
- Battery life: 10 days
- Width: 3 inches; height: 1.2 inches; depth: 3 inches
General specs
- Brand: MIRO
- Model: R1E
- Seller: Newegg
- ID: 9SIBP75KH27199
- ECG: ECG smart ring
- Size: 7
- Brand: MIRO
- Depth: 3 inches
- Width: 3 inches
- Height: 1.2 inches
- Tracking: Fitness, sleep, stress and heart rate
- Model Name: R1E
- Part Number: R1E-BK7
- Battery Life: 10 days
- Product Type: Smart ring
- Compatibility: iOS and Android
- Product family: HealthWear
- First listed by seller: November 7, 2026
If you are interested in more details, you can find full information on the seller's page.
€36.18
Last price update: 11/7/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
Smart ring for tracking fitness, sleep, stress and heart rate, with ECG and compatibility with iOS and Android. Battery life is 10 days.
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| Brand | MIRO | Generic Logic, Inc. | Secofy | Milavan | Generic Logic, Inc. | Generic Logic, Inc. |
| Color |
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| Price | €36.18 | €67.85 | €49.75 | €90.47 | €67.85 | €120.78 |
| Seller | Newegg | Newegg | Retailer | Retailer | Newegg | Newegg |
| Update | Nov 13, 2026 | Nov 13, 2026 | Jun 24, 2026 | May 20, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Size | 7 | #7 | Size 8 | 8 | Size 9 | 7 |
| Part Number | R1E-BK7 | 525687598942 | 525687598959 | 831599614978 | ||
| Battery Life | 10 days | 5 to 7 days, Charging time: 1.5 hours, Includes charging case | 3–5 d | 5–7 days | ||
| Product Type | Smart ring | Smart ring | Smart health-tracking ring | Smart ring | ||
MIRO R1E Black Tracks fitness, sleep, stress and heart rate
€36.18
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